Tongue And Groove Plywood Roof Decking

I ve heard in the past that placing structural i plywood or osb over the top of the decking can provide the necessary diaphragm action.

Tongue and groove plywood roof decking.

This is usually 2 6 with a tongue formed on one edge of the board that fits snugly into the groove in the board adjacent to it. Product may vary by store. Standard structural decking patterns are 2 nominal tongued and grooved t g and 3 and 4 double t g products available with vee or eased edges to meet discriminating architectural requirements. Rafters it shouldn t be an issue.

Tongue and groove roof decking especially the one from solid wood boards is one of the two most common choices for residential use right now. Some use clips as convenient spacers. For 5 8 or thicker roof sheathing on 16 o c. What is tongue and groove decking.

In my experience the need for tongue and groove or edge clips is determined by the thickness of the roof sheathing and the spacing of the rafters. Useful in an old fashioned country cottage or cabin decor. Easy to paint and stain for attaining a suitable finish. It is a challenge to replace this type as it is not readily available at most lumber yards.

Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected. Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks. The most common uses are as sheathing in walls flooring and roof decking. Osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction.

The main reason to use tongue and groove boards these days is appearance from beneath the roof. The other one is plywood. Say what you want about them but osb and plywood do not offer a very attractive finished look. Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.

Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s. If right now you are thinking about which deck choice to add to your new roof design or to replace the old or damaged one you are in the right place. This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications.